ARTIKOVA SHOKHIDA ILYASOVNA. Methodological Approach to Assessing Economic Efficiency in the Service Sector. International Journal on Economics, Finance and Sustainable Development, [S. l.], v. 8, n. 4, p. 45–49, 2026. DOI: 10.31149/ijefsd.v8i4.5850. Disponível em: https://journals.researchparks.org/index.php/IJEFSD/article/view/5850. Acesso em: 9 nov. 2026.